AlbumLoader.java

/*
 * Copyright (C) 2015 Naman Dwivedi
 *
 * Licensed under the GNU General Public License v3
 *
 * This is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 */

package com.naman14.timber.dataloaders;

import android.content.Context;
import android.database.Cursor;
import android.provider.MediaStore;

import com.naman14.timber.models.Album;
import com.naman14.timber.utils.PreferencesUtility;

import java.util.ArrayList;
import java.util.List;

public class AlbumLoader {


    public static Album getAlbum(Cursor cursor) {
        Album album = new Album();
        if (cursor != null) {
            if (cursor.moveToFirst())
                album = new Album(cursor.getLong(0), cursor.getString(1), cursor.getString(2), cursor.getLong(3), cursor.getInt(4), cursor.getInt(5));
        }
        if (cursor != null)
            cursor.close();
        return album;
    }


    public static List<Album> getAlbumsForCursor(Cursor cursor) {
        ArrayList arrayList = new ArrayList();
        if ((cursor != null) && (cursor.moveToFirst()))
            do {
                arrayList.add(new Album(cursor.getLong(0), cursor.getString(1), cursor.getString(2), cursor.getLong(3), cursor.getInt(4), cursor.getInt(5)));
            }
            while (cursor.moveToNext());
        if (cursor != null)
            cursor.close();
        return arrayList;
    }

    public static List<Album> getAllAlbums(Context context) {
        return getAlbumsForCursor(makeAlbumCursor(context, null, null));
    }

    public static Album getAlbum(Context context, long id) {
        return getAlbum(makeAlbumCursor(context, "_id=?", new String[]{String.valueOf(id)}));
    }

    public static List<Album> getAlbums(Context context, String paramString, int limit) {
        List<Album> result = getAlbumsForCursor(makeAlbumCursor(context, "album LIKE ?", new String[]{paramString + "%"}));
        if (result.size() < limit) {
            result.addAll(getAlbumsForCursor(makeAlbumCursor(context, "album LIKE ?", new String[]{"%_" + paramString + "%"})));
        }
        return result.size() < limit ? result : result.subList(0, limit);
    }


    public static Cursor makeAlbumCursor(Context context, String selection, String[] paramArrayOfString) {
        final String albumSortOrder = PreferencesUtility.getInstance(context).getAlbumSortOrder();
        Cursor cursor = context.getContentResolver().query(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, new String[]{"_id", "album", "artist", "artist_id", "numsongs", "minyear"}, selection, paramArrayOfString, albumSortOrder);

        return cursor;
    }
}